, the u.s. ambassador, susan rice, meets with some of her toughest critics. and apparently they don't like what she has to say. >> we are significantly troubled by many of the answers that we got and some we didn't get. more disturbed now than i was before. >> shepard: republican senators criticizing ambassador rice for her initial comments on the libya consulate attack. >> ambassador rice has no responsibility for collecting, analyzing and providing intelligence. >> shepard: tonight the ambassador responds. >>> plus, the people of egypt trying to avoid trading one dictator for another. fighting back against a president who gave himself new powers. tonight a potential crisis point as the leader tries to put himself above the law. and how will the u.s. handle this? >>> plus, the chances of winning are ridiculously low. but millions of us are still lining up for a shot at a record powerball jackpot. >> lucky, lucky, lotto win. >> shepard: tonight a look at the actual odds of winning it all. but first from fox this tuesday night, three republican senators now say they cannot support the u.n.